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Individual performance for the Young (black-filled bars), Mid-Age (unfilled bars) and Old toddlers (gray-filled bars) on the training contrast (long /u/ vs. /ga/). The children are ordered from youngest to oldest age at first testing session. At the far right are the mean (and +1 standard deviation) group data for each age group: Young (black-filled bars), Mid-Age (unfilled bars) and Old (gray-filled bars).
